From there, you can decide what you think is strongest to pair him with.
Final bosses in Final Fantasy and nearly every other JRPG follow the trend of transforming into their final form once you defeat them
Standout Headliners includes 12 songs in total that means you have a statistical probability to find a song every five cards
having one that fills a different role broadens the archetype
House, President and CEO Nick Valentine, Private Eye Overseer of Vault 76 Paladin Danse, Steel Maverick Paladin Elizabeth Taggerdy Piper Wright, Publick Reporter Preston Garvey, Minuteman Raul, Trouble Shooter Red Death, Shipwrecker Rex, Cyber-Hound Rose, Cutthroat Raider Sentinel Sarah Lyons Shaun, Father of Synths Sierra, Nuka's Biggest Fan Strong, the Brutish Thespian The Master, Transcendent The Motherlode, Excavator The Wise Mothman Three Dog, Galaxy News DJ Veronica, Dissident Scribe Yes Man, Personal Securitron
Sure, you'll have to wait four turns until you can start attacking with it if you cast it this way, but that isn't really a problem when you consider the amount of ramp you're getting from doing so